* {
  margin: 0;
  padding: 0;
}

.app {
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-rows: 2fr 1fr 2fr 5fr;
  grid-template-columns: 1fr;
  background-color:  #c90103;
  overflow: hidden;

  /* 设置不可选中拖动 */
  user-select: none;
  -webkit-user-drag: none;
}
/* 标题 */
.display_title{
  height: 100%;
  width: 100%;
}
.display_title div{

  height: 100%;
  width: 100%;
  /* font-family: '宋体', Arial, sans-serif; */
  font-weight: bolder;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4vw;
  color: white;
}
/* 组别 */
.display_group {
  height: 100%;
  width: 100%;
}
.display_group div {
  height: 100%;
  width: 100%;
  /* font-family: '宋体', Arial, sans-serif; */
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3vw;
  color: white;
}
/* 姓名 */
.display_name {
  height: 100%;
  width: 100%;
}
.display_name div{
  height: 100%;
  width: 100%;
  /* font-family: '宋体', Arial, sans-serif; */
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 7vw;
  color: white;
}
/* 时间 */
.display_time2{
  transform: translateX(6vw);
}
.display_time div{
  height: 100%;
  width: 100%;
  /* margin: -2vw; */
  display: flex;
  /* 垂直方向上顶格 */
  align-items: start;
  /*水平方向居中  */
  justify-content: center;
  font-size: 18vw;
  color: rgb(233, 152, 1);
  p {
    transform: translateY(-3vh)
  }
}
.timeColorChange{
  transition: color 0.5s ;
}
.timeColorChange2{
  transition: color 0.5s ;
}


/* 分号 */
.colon {

  margin: -2vw;
  margin-left: 2vw;
  margin-right: 2vw;

}
.full_box {
  display: float;
  position: absolute;
  height: 50px;
  width: 50px;
  top: 20px;
  right: 20px;

  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  div {
    transition: all 0.6s;
    font-size: 40px;
    color: white;
    opacity: 0;
  }
}
.full_box:hover {
  div {
    opacity: 1;
  }
  cursor: pointer;
}
/* 音频 */
audio {
  width: 100%;
  display: none;
}

.xuanku {
  animation: colorChange 1s infinite;
  font-size: larger;
}

@keyframes colorChange {
  0% {
    color: white;
    font-size: 18vw;
  }
  50% {
    color:red;
    font-size: 19vw;
  }
  100% {
    color: white;
    font-size: 18vw;
  }
}

